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Finding the Fourth Proportional to 18,594.76, 27,901.70 and 12,359.06

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Solution

The fourth proportional to 18,594.76, 27,901.70 and 12,359.06 is: 18,544.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,594.76 : 27,901.70 = 12,359.06 : x
  2. Step 2: Convert to fraction form
    18,594.76/27,901.70 = 12,359.06/x
  3. Step 3: Cross multiply
    18,594.76x = 27,901.70 × 12,359.06
  4. Step 4: Simplify right side
    18,594.76x = 344,838,784.40
  5. Step 5: Solve for x
    x = 344,838,784.40/18,594.76
  6. Step 6: Final answer
    x = 18,544.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.